See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How many bacteria live on a subway seat? What about on your wallet? In ...

Decades of reliance on the antibiotic rifampicin have fueled the rise of drug-resistant Mycobacterium tuberculosis (Mtb). But ...

A new lab experiment is testing a water-free solution for "space laundry" on future Mars missions.

Before germs were first spied under a microscope by Robert Koch, a doctor from East Prussia, catching colds was blamed on evil spirits, foul weather, and medical enigmas such as blood impurities. Koch ...

If you were asked to name the germiest surface in your bathroom, you might say it’s the toilet seat, or even the toilet flush lever. And they certainly do contain germs. But there’s another surface ...

Curious about the science behind double-dipping at parties? This video examines a famous Clemson University study inspired by ...

Scientists have traced the changing microbial communities inside three artisan British cheeses, revealing how bacteria shape their flavor, texture, and potential benefits for gut health.

The spread of the H1N1 flu, the "swine flu," is thought to spread from person to person through coughing or sneezing. Health officials encourage you to wash your hands often with soap and warm water.

Antibiotic resistance is one of the biggest global health challenges. Our most potent antibiotics become less effective as bacteria mutate and develop new defense strategies against these drugs. So, ...

A friend of mine recently lost her security deposit at the holiday home she and her fellow hens were renting for a weekend. Why? Well, she dropped a microwaveable lasagne into the hot tub. Could ...